control the text field

On this Registraton page show EMAIL, FIRST NAME AND LAST NAME TEXT FIELD is little longer than PASSWORD TEXT FIELD and it is outside of left colume.When i deleted the " size="32" then it look like PASSWORD TEXT FIELD.My question is that Is it ok to deleted it....thanks and more advice from you

The inline attribute that you edited only controls the size of the input. It will have no other effect on the page other than how it displays. It is fine to edit this or any other display property to your liking.